PMM-7 update license to Apache 2.0

.github/check-license.go

@@ -1,23 +1,22 @@
 // mongodb_exporter
 // Copyright (C) 2017 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 //go:build ignore
 // +build ignore
 
-// check-license checks that AGPL license header in all files matches header in this file.
+// check-license checks that Apache 2.0 header in all files matches header in this file.
 package main
 
 import (
@@ -36,35 +35,33 @@ var (
 	copyrightText = `// mongodb_exporter
 // Copyright (C) 2022 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 `
 
 	copyrightPattern = regexp.MustCompile(`^// mongodb_exporter
 // Copyright \(C\) 20\d{2} Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// \(at your option\) any later version.
+// Licensed under the Apache License, Version 2\.0 \(the "License"\);
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www\.apache\.org/licenses/LICENSE-2\.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied\.
+// See the License for the specific language governing permissions and
+// limitations under the License\.
 `)
 )
 

.golangci-required.yml

@@ -1,4 +1,15 @@
 ---
+linters-settings:
+  # prevent import of "errors" instead of "github.com/pkg/errors"
+  depguard:
+    rules:
+      # Name of a rule.
+      main:
+        # Packages that are not allowed where the value is a suggestion.
+        deny:
+          - pkg: "errors"
+            desc: Should be replaced by github.com/pkg/errors package
+
 # The most valuable linters; they are required to pass for PR to be merged.
 linters:
   disable-all: true

.golangci.yml

@@ -2,10 +2,13 @@
 linters-settings:
   # prevent import of "errors" instead of "github.com/pkg/errors"
   depguard:
-    list-type: blacklist
-    include-go-root: true
-    packages:
-      - errors
+    rules:
+      # Name of a rule.
+      main:
+        # Packages that are not allowed where the value is a suggestion.
+        deny:
+          - pkg: "errors"
+            desc: Should be replaced by github.com/pkg/errors package
 
   lll:
     line-length: 140

exporter/base_collector.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2022 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/collstats_collector.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2017 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/collstats_collector_test.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2017 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/common.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2022 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/common_test.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2022 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/dbstats_collector.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2017 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/dbstats_collector_test.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2017 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/debug.go

@@ -1,18 +1,17 @@
 // mongodb_exporter
 // Copyright (C) 2022 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 

exporter/debug_test.go

@@ -1,23 +1,22 @@
 // mongodb_exporter
 // Copyright (C) 2022 Percona LLC
 //
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Affero General Public License for more details.
+// http://www.apache.org/licenses/LICENSE-2.0
 //
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package exporter
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"testing"
 
@@ -58,7 +57,7 @@ func TestDebug(t *testing.T) {
 
 	debugResult(log, m)
 	assert.NoError(t, w.Close())
-	out, _ := ioutil.ReadAll(r)
+	out, _ := io.ReadAll(r)
 
 	assert.Equal(t, want, string(out))
 }